/* ============================================
   Navbar – Apple-inspired frosted glass
   ============================================ */

.site-navbar {
  background: var(--bs-primary);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
  padding-top: 0;
  padding-bottom: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Brand */
.site-navbar .navbar-brand {
  font-weight: 600;
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
  color: #f5f5f7;
  opacity: 0.95;
  transition: opacity 0.2s ease;
}

.site-navbar .navbar-brand:hover {
  opacity: 1;
  color: #ffffff;
}

/* Nav links */
.site-navbar .nav-link {
  color: rgba(245, 245, 247, 0.8);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0;
  padding: 1rem 0.125rem;
  position: relative;
  transition: color 0.2s ease;
}

/* Underline pseudo-element (shared by hover + active) */
.site-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 1px;
  transform: translateX(-50%);
  transition: width 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link:focus {
  color: #ffffff;
}

/* Hover: underline slides in */
.site-navbar .nav-link:hover::after {
  width: 100%;
}

/* Active: full white + persistent underline */
.site-navbar .nav-link.active {
  color: #ffffff;
}

.site-navbar .nav-link.active::after {
  width: 100%;
}

/* Search icon button uses .navbar-btn-glass.rounded-circle */

/* ---- Navbar glass button (shared style) ---- */
.navbar-btn-glass {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #f5f5f7 !important;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.35rem 0.875rem;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.navbar-btn-glass:hover,
.navbar-btn-glass:focus {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff !important;
  transform: scale(1.03);
}

.navbar-btn-glass:active {
  transform: scale(0.97);
}

/* Icon-only circle variant (create +, account) */
.navbar-btn-glass.rounded-circle {
  width: 34px;
  height: 34px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

/* Bare icon buttons (no background, no border) */
.site-navbar .navbar-icon-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  transition: color 0.2s ease, transform 0.15s ease;
}

.site-navbar .navbar-icon-btn:hover {
  color: #ffffff;
}

.site-navbar .navbar-icon-btn:active {
  transform: scale(0.92);
}

/* Language selector */
.language-switcher {
  --language-switcher-text: rgba(255, 255, 255, 0.92);
  --language-switcher-muted: rgba(255, 255, 255, 0.68);
  --language-switcher-bg: rgba(255, 255, 255, 0.12);
  --language-switcher-bg-hover: rgba(255, 255, 255, 0.2);
  --language-switcher-border: rgba(255, 255, 255, 0.18);
}

.language-switcher__button {
  min-width: 72px;
  height: 44px;
  padding: 0 0.625rem;
  border: 1px solid var(--language-switcher-border);
  border-radius: 999px;
  background: var(--language-switcher-bg);
  color: var(--language-switcher-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.language-switcher__button:hover,
.language-switcher__button:focus-visible,
.language-switcher__button.show {
  background: var(--language-switcher-bg-hover);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.language-switcher__button:active {
  transform: scale(0.97);
}

.language-switcher__icon {
  font-size: 0.875rem;
  color: var(--language-switcher-muted);
}

.language-switcher__code {
  min-width: 1.5rem;
  text-align: center;
}

.language-switcher__chevron {
  font-size: 0.625rem;
  color: var(--language-switcher-muted);
  transition: transform 0.2s ease;
}

.language-switcher__button.show .language-switcher__chevron {
  transform: rotate(180deg);
}

.language-switcher__menu {
  min-width: 13rem;
  padding: 0.4rem;
  border: 1px solid var(--bs-border-color-translucent);
  border-radius: 1rem;
  background: rgba(var(--bs-body-bg-rgb), 0.96);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.18), 0 2px 8px rgba(15, 23, 42, 0.08);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
}

.language-switcher__item {
  min-height: 44px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.65rem;
  color: var(--bs-body-color);
  font-size: 0.875rem;
}

.language-switcher__item:hover,
.language-switcher__item:focus {
  background: var(--bs-tertiary-bg);
  color: var(--bs-body-color);
}

.language-switcher__item.active,
.language-switcher__item.active:hover,
.language-switcher__item.active:focus {
  background: rgba(var(--bs-primary-rgb), 0.12);
  color: var(--bs-primary);
}

.language-switcher__item-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.language-switcher__item-name {
  font-weight: 600;
  line-height: 1.2;
}

.language-switcher__item-code {
  color: var(--bs-secondary-color);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.language-switcher__check {
  width: 1.375rem;
  height: 1.375rem;
  border-radius: 999px;
  background: var(--bs-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  flex: 0 0 auto;
}

.offcanvas .language-switcher {
  --language-switcher-text: var(--bs-body-color);
  --language-switcher-muted: var(--bs-secondary-color);
  --language-switcher-bg: var(--bs-body-bg);
  --language-switcher-bg-hover: var(--bs-tertiary-bg);
  --language-switcher-border: var(--bs-border-color);
}

/* Mobile: larger 44px touch targets */
@media (max-width: 991.98px) {
  .site-navbar .navbar-icon-btn {
    width: 44px;
    height: 44px;
    font-size: 1.125rem;
  }

  .language-switcher__button {
    min-width: 84px;
    height: 44px;
  }
}

/* ---- Scroll-aware transparency ---- */
.site-navbar.navbar-scrolled {
  background: rgba(var(--bs-primary-rgb), 0.88);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* ---- Offcanvas menu items (Apple Settings style) ---- */
.offcanvas-menu-item,
.mobile-menu-item {
  transition: background-color 0.15s ease;
}

.offcanvas-menu-item:hover,
.mobile-menu-item:hover {
  background-color: var(--bs-body-tertiary-bg);
}

.offcanvas-menu-item:active,
.mobile-menu-item:active {
  background-color: var(--bs-body-secondary-bg);
  transform: scale(0.99);
}